MEDIUM
Use-after-free vulnerability in nginx before 1.0.14 and 1.1.x before 1.1.17 allows remote HTTP servers to obtain sensitive information from process memory via a crafted backend response, in conjunction with a client request
Published Apr 17, 2012
5.0
MEDIUMCVSS 2.0
EPSS 10.58%
Description
Use-after-free vulnerability in nginx before 1.0.14 and 1.1.x before 1.1.17 allows remote HTTP servers to obtain sensitive information from process memory via a crafted backend response, in conjunction with a client request.
Affected products
No data.
Configuration 1
Configuration 2
OR
- 15
- 16
- 17
Configuration 3
- 6.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
10.58% 0.10579
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.10579
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 10.58% (0.10579) | 95.65th | v5 (v2026.06.15) |
| Jun 15, 2026 | 10.42% (0.10417) | 95.13th | v5 (v2026.06.15) |
| Jun 1, 2026 | 4.10% (0.04101) | 88.78th | v4 (v2025.03.14) |
| Dec 10, 2025 | 3.06% (0.03062) | 86.27th | v4 (v2025.03.14) |
| Oct 23, 2025 | 4.10% (0.04101) | 88.06th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.87% (0.01869) | 81.47th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.52% (0.04523) | 81.56th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.10% (0.01104) | 76.55th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.21% (0.00213) | 60.20th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.21% (0.00213) | 59.46th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.21% (0.00213) | 57.44th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.71% (0.04714) | 89.20th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.71% (0.04714) | 88.11th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.71% (0.04714) | 74.50th | v2 (v2022.01.01) |
Weaknesses (1)
References (21)
- http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077966.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2012-March/076646.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2012-March/076671.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://nginx.org/download/patch.2012.memory.txt x_refsource_CONFIRMPatchVendor Advisory
- http://nginx.org/en/security_advisories.html x_refsource_CONFIRMPatchVendor Advisory
- http://osvdb.org/80124 vdb-entryx_refsource_OSVDBBroken Link
- http://seclists.org/bugtraq/2012/Mar/65 mailing-listx_refsource_BUGTRAQMailing ListThird Party Advisory
- http://secunia.com/advisories/48465 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/48577 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://security.gentoo.org/glsa/glsa-201203-22.xml vendor-advisoryx_refsource_GENTOOThird Party Advisory
- http://trac.nginx.org/nginx/changeset/4530/nginx x_refsource_CONFIRMPatchVendor Advisory
- http://trac.nginx.org/nginx/changeset/4531/nginx x_refsource_CONFIRMPatchVendor Advisory
- http://www.debian.org/security/2012/dsa-2434 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:043 vendor-advisoryx_refsource_MANDRIVAThird Party Advisory
- http://www.openwall.com/lists/oss-security/2012/03/15/5 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2012/03/15/9 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/52578 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id?1026827 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=803856 x_refsource_MISCIssue TrackingThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/74191 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://hermes.opensuse.org/messages/14173096 vendor-advisoryx_refsource_SUSEBroken Link
| Link | Providers | Tags |
|---|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077966.html | vendor-advisoryx_refsource_FEDORAThird Party Advisory | |
| http://lists.fedoraproject.org/pipermail/package-announce/2012-March/076646.html | vendor-advisoryx_refsource_FEDORAThird Party Advisory | |
| http://lists.fedoraproject.org/pipermail/package-announce/2012-March/076671.html | vendor-advisoryx_refsource_FEDORAThird Party Advisory | |
| http://nginx.org/download/patch.2012.memory.txt | x_refsource_CONFIRMPatchVendor Advisory | |
| http://nginx.org/en/security_advisories.html | x_refsource_CONFIRMPatchVendor Advisory | |
| http://osvdb.org/80124 | vdb-entryx_refsource_OSVDBBroken Link | |
| http://seclists.org/bugtraq/2012/Mar/65 | mailing-listx_refsource_BUGTRAQMailing ListThird Party Advisory | |
| http://secunia.com/advisories/48465 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://secunia.com/advisories/48577 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://security.gentoo.org/glsa/glsa-201203-22.xml | vendor-advisoryx_refsource_GENTOOThird Party Advisory | |
| http://trac.nginx.org/nginx/changeset/4530/nginx | x_refsource_CONFIRMPatchVendor Advisory | |
| http://trac.nginx.org/nginx/changeset/4531/nginx | x_refsource_CONFIRMPatchVendor Advisory | |
| http://www.debian.org/security/2012/dsa-2434 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| http://www.mandriva.com/security/advisories?name=MDVSA-2012:043 | vendor-advisoryx_refsource_MANDRIVAThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2012/03/15/5 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2012/03/15/9 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| http://www.securityfocus.com/bid/52578 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id?1026827 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://bugzilla.redhat.com/show_bug.cgi?id=803856 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/74191 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry | |
| https://hermes.opensuse.org/messages/14173096 | vendor-advisoryx_refsource_SUSEBroken Link |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Apr 17, 2012
Updated Aug 6, 2024
Reserved Feb 14, 2012
Link CVE-2012-1180
CISA Vulnrichment
Updated n/a